3M Marine Adhesive Sealant Fast Cure 4200FC

Excellent for applications above and below the waterline, this 3M Marine Adhesive Sealant Fast Cure 4200FC is a multi-purpose adhesive that bonds dissimilar materials. It delivers flexible, watertight, and weather-resistant seals on joints and boat hardware. The formula remains permanently elastic, allowing for joint movement and stress resistance due to shock, vibration, swelling, or shrinking. This medium-strength sealant adheres to a variety of substrates and allows for disassembly of parts after prolonged use. Recommended for fiberglass deck to hull, wood to fiberglass, portholes, deck fittings, and rubrail attachment.